navigation switch
Home
Contests
Notification
Clarification
Problems
Ranklist
Status
HackStatus
Problem 1001
3的时候答案不应该时3吗
liangjidong1
| 2016-05-09 17:23:40
Author
A->B->C->A A->C->B->A A->A->A->A
howardchina12
| 2016-05-09 17:31:38
# 1
你理解错题意了
换位意思是换一次和换三次结果一样, 也就是,0->1 = 0->1->2->3, 所以应该是A->B->A,明白了吗?
liangjidong1
| 2016-05-09 19:09:00
# 2
原来如此,thx
Title
Content